In 2025, 217 US boys were named Semaj, making it the 1,027th most common boys’ name of the year, up 39 places from #1,066 in 2024. That is 12 more than the 205 boys named Semaj in 2024. Its best rank for boys was #627, reached in 2011. That year also had the most boys given the name: 374. For comparison, it was #1,015 in 2015 and unranked in 1950.
In 2025, 18 US girls were named Semaj, making it the 6,515th most common girls’ name of the year, down 152 places from #6,363 in 2024. That is 1 fewer than the 19 girls named Semaj in 2024. Its best rank for girls was #1,685, reached in 2009. That year also had the most girls given the name: 133. For comparison, it was #2,995 in 2015 and unranked in 1950.
Social Security card records list Semaj in 54 years of the 146 from 1880 to 2025, starting in 1971 with 5 babies. In all, 9,459 US babies have been given the name, 22% of them girls and 78% boys. Its busiest decade was the 2000s, with 3,620 babies named Semaj.
Over the 10 years from 2016 to 2025, 1,932 US boys were named Semaj; the busiest of those years was 2023, with 257. In 2025 that was about 1 in 7,871 of the boys in SSA’s list for the year.
Among the states, Semaj ranked highest in Mississippi in 2025, at #365 for boys there. It was not in the top 100 of any state. Rarer spellings such as Semaje, Semahj and Zemaj are summarised on this page.